What are the precautions for the use of fire extinguishers?

1. When using fire extinguishers, we should pay attention to the scope of application of different types of fire extinguishers, for example, foam fire extinguishers are suitable for fighting liquid fires, but they cannot fight fires of water-soluble flammable and flammable liquids; Carbon dioxide fire extinguishers can fight fires of valuable instruments and equipment, archives, but can not fight fires of potassium, magnesium, aluminum and other substances.

2. Fire extinguishers also have a shelf life, for example, carbon dioxide fire extinguishers are valid for 12 years, dry powder fire extinguishers are valid for 10 years, and water-based fire extinguishers are valid for 6 years. Everyone should regularly check and repair fire extinguishers. According to the relevant regulations, water-based fire extinguishers are repaired for the first time after 3 years of leaving the factory, and every 1 year after the first repair. In addition to this, fire extinguishers must be inspected after each use.

3. Fire extinguishers should be present in a dry, ventilated and easily accessible place. Under normal circumstances, the ambient temperature of fire extinguisher storage should be in the range of minus 10-45 degrees, and it cannot be put upside down, exposed to the sun, rain, etc. For example, foam fire extinguishers should do a good job of anti-freezing and sun protection measures every winter and summer to avoid the failure of carbonic acid decomposition.